FKIE_CVE-2026-19590

Vulnerability from fkie_nvd - Published: 2026-09-01 18:17 - Updated: 2026-09-03 15:17
Severity
7.3 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Summary
OpenAI Codex Desktop for Windows and macOS could execute attacker-controlled Git hooks because automated Git operations trusted the repository's local core.hooksPath setting. If a user opens an attacker-prepared repository whose preserved .git/config points core.hooksPath to an attacker-controlled directory, Codex can run a malicious hook while processing the repository. The hook executes outside Codex's command sandbox, without user approval, and with the user's privileges, allowing it to read, change, or delete the user's files and access other resources available to the user's account. An ordinary Git clone does not preserve the attacker-controlled repository-local configuration required for exploitation.
References
8f4f43ab-ba69-4d92-aa1d-d772184d6fb7https://github.com/openai/codex/pull/22843
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "platforms": [
            "macOS"
          ],
          "product": "Codex Desktop",
          "vendor": "OpenAI",
          "versions": [
            {
              "lessThanOrEqual": "26.513.31313",
              "status": "affected",
              "version": "260202.0859",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "26.519.22136"
            }
          ]
        },
        {
          "platforms": [
            "Windows"
          ],
          "product": "Codex Desktop",
          "vendor": "OpenAI",
          "versions": [
            {
              "lessThanOrEqual": "26.513.40821",
              "status": "affected",
              "version": "26.304.38",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "26.519.21041"
            }
          ]
        },
        {
          "platforms": [
            "Windows"
          ],
          "product": "Codex Desktop (Microsoft Store package)",
          "vendor": "OpenAI",
          "versions": [
            {
              "lessThanOrEqual": "26.513.4821.0",
              "status": "affected",
              "version": "26.304.38.0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "26.519.2081.0"
            }
          ]
        }
      ],
      "source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenAI Codex Desktop for Windows and macOS could execute attacker-controlled Git hooks because automated Git operations trusted the repository\u0027s local core.hooksPath setting. If a user opens an attacker-prepared repository whose preserved .git/config points core.hooksPath to an attacker-controlled directory, Codex can run a malicious hook while processing the repository. The hook executes outside Codex\u0027s command sandbox, without user approval, and with the user\u0027s privileges, allowing it to read, change, or delete the user\u0027s files and access other resources available to the user\u0027s account. An ordinary Git clone does not preserve the attacker-controlled repository-local configuration required for exploitation."
    }
  ],
  "id": "CVE-2026-19590",
  "lastModified": "2026-09-03T15:17:19.780",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.3,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-19590",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-03T14:29:12.027630Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-01T18:17:40.140",
  "references": [
    {
      "source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7",
      "url": "https://github.com/openai/codex/pull/22843"
    }
  ],
  "sourceIdentifier": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7",
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ],
      "source": "8f4f43ab-ba69-4d92-aa1d-d772184d6fb7",
      "type": "Secondary"
    }
  ]
}



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